Centering60/40 or better on the front. 80/20 or better on the back.
CornersMajor rounding and fraying with clear signs of heavy use. Corners are flattened with potential for small tears & significant chipping.
EdgesSevere damage, including heavy chipping, fraying, or tears along all edges. Significant paper loss and potential for large sections of the edge missing.
SurfaceExtensive damage including deep creases, heavy scratches/micro-scratches, stains, and surface residue.